Finding the Fourth Proportional to 218,357.68, 301,351.32 and 122,858.80
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Solution
The fourth proportional to 218,357.68, 301,351.32 and 122,858.80 is: 169,555.12
Step by Step Solution
- Step 1: Write the proportion equation
218,357.68 : 301,351.32 = 122,858.80 : x - Step 2: Convert to fraction form
218,357.68/301,351.32 = 122,858.80/x - Step 3: Cross multiply
218,357.68x = 301,351.32 × 122,858.80 - Step 4: Simplify right side
218,357.68x = 37,023,661,553.62 - Step 5: Solve for x
x = 37,023,661,553.62/218,357.68 - Step 6: Final answer
x = 169,555.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.